Finding the Fourth Proportional to 1,542,125.34, 2,128,132.70 and 863,061.84
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Solution
The fourth proportional to 1,542,125.34, 2,128,132.70 and 863,061.84 is: 1,191,025.19
Step by Step Solution
- Step 1: Write the proportion equation
1,542,125.34 : 2,128,132.70 = 863,061.84 : x - Step 2: Convert to fraction form
1,542,125.34/2,128,132.70 = 863,061.84/x - Step 3: Cross multiply
1,542,125.34x = 2,128,132.70 × 863,061.84 - Step 4: Simplify right side
1,542,125.34x = 1,836,710,123,826.17 - Step 5: Solve for x
x = 1,836,710,123,826.17/1,542,125.34 - Step 6: Final answer
x = 1,191,025.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.